Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science While vaping is not risk free, it is less harmful than tobacco Our World in Data Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the E cigarettes have negative health effects. #CommitToQuit all forms of tobacco and cigarette use.